Based on cash received as of June 30, 2013
| Class | Number | Donors | Participation | Average Gift | Class Total | |||
|---|---|---|---|---|---|---|---|---|
| 1935 | 2 | 0 | 0.0% | $0 | $0 | |||
| 1937 | 2 | 1 | 50.0% | $150 | $150 | |||
| 1938 | 1 | 0 | 0.0% | $0 | $0 | |||
| 1939 | 5 | 3 | 60.0% | $700 | $2,100 | |||
| 1940 | 3 | 0 | 0.0% | $0 | $20 | |||
| 1941 | 7 | 4 | 57.1% | $1,318 | $5,270 | |||
| 1942 | 4 | 2 | 50.0% | $1,525 | $3,050 | |||
| 1943 | 7 | 6 | 85.7% | $4,455 | $26,730 | |||
| 1944 | 7 | 3 | 42.9% | $450 | $1,350 | |||
| 1945 | 12 | 6 | 50.0% | $612 | $3,669 | |||
| 1946 | 16 | 5 | 31.3% | $374 | $1,870 | |||
| 1947 | 16 | 5 | 31.3% | $366 | $1,830 | |||
| 1948 | 18 | 7 | 38.9% | $561 | $3,925 | |||
| 1949 | 32 | 15 | 46.9% | $334 | $5,011 | |||
| 1950 | 54 | 32 | 59.3% | $1,602 | $51,263 | |||
| 1951 | 43 | 26 | 60.5% | $471 | $12,240 | |||
| 1952 | 54 | 33 | 61.1% | $344 | $11,361 | |||
| 1953 | 51 | 32 | 62.7% | $1,928 | $61,687 | |||
| 1954 | 33 | 19 | 57.6% | $472 | $8,967 | |||
| 1955 | 50 | 28 | 56.0% | $1,062 | $29,739 | |||
| 1956 | 52 | 25 | 48.1% | $1,363 | $34,065 | |||
| 1957 | 54 | 34 | 63.0% | $2,110 | $71,740 | |||
| 1958 | 74 | 35 | 47.3% | $433 | $15,155 | |||
| 1959 | 74 | 44 | 59.5% | $348 | $15,306 | |||
| 1960 | 71 | 44 | 62.0% | $1,208 | $53,160 | |||
| 1961 | 58 | 37 | 63.8% | $1,849 | $68,430 | . | ||
| 1962 | 83 | 46 | 55.4% | $690 | $31,751 | |||
| 1963 | 92 | 65 | 70.7% | $3,272 | $212,654 | |||
| 1964 | 89 | 56 | 62.9% | $1,006 | $56,356 | |||
| 1965 | 88 | 48 | 54.5% | $458 | $21,973 | |||
| 1966 | 101 | 56 | 55.4% | $891 | $49,918 | |||
| 1967 | 108 | 63 | 58.3% | $1,494 | $94,125 | |||
| 1968 | 131 | 73 | 55.7% | $1,026 | $74,918 | |||
| 1969 | 142 | 82 | 57.7% | $675 | $55,320 | |||
| 1970 | 146 | 79 | 54.1% | $1,356 | $107,135 | |||
| 1971 | 135 | 72 | 53.3% | $520 | $37,426 | |||
| 1972 | 132 | 68 | 51.5% | $424 | $28,854 | |||
| 1973 | 260 | 175 | 67.3% | $940 | $164,466 | |||
| 1974 | 266 | 134 | 50.4% | $1,238 | $165,846 | |||
| 1975 | 241 | 121 | 50.2% | $550 | $66,610 | |||
| 1976 | 279 | 135 | 48.4% | $467 | $63,011 | |||
| 1977 | 270 | 124 | 45.9% | $801 | $99,322 | |||
| 1978 | 266 | 111 | 41.7% | $1,182 | $131,178 | |||
| 1979 | 249 | 106 | 42.6% | $459 | $48,625 | |||
| 1980 | 277 | 122 | 44.0% | $600 | $73,175 | |||
| 1981 | 290 | 120 | 41.4% | $599 | $71,851 | |||
| 1982 | 295 | 118 | 40.0% | $516 | $60,932 | |||
| 1983 | 311 | 150 | 48.2% | $798 | $119,722 | |||
| 1984 | 316 | 140 | 44.3% | $404 | $56,511 | |||
| 1985 | 304 | 122 | 40.1% | $513 | $62,588 | |||
| 1986 | 284 | 124 | 43.7% | $510 | $63,277 | |||
| 1987 | 308 | 123 | 39.9% | $694 | $85,410 | |||
| 1988 | 372 | 153 | 41.1% | $1,067 | $163,228 | |||
| 1989 | 416 | 135 | 32.5% | $359 | $48,462 | |||
| 1990 | 382 | 117 | 30.6% | $351 | $41,125 | |||
| 1991 | 399 | 150 | 37.6% | $391 | $58,621 | |||
| 1992 | 364 | 137 | 37.6% | $286 | $39,209 | |||
| 1993 | 384 | 121 | 31.5% | $315 | $38,106 | |||
| 1994 | 367 | 123 | 33.5% | $372 | $45,713 | |||
| 1995 | 376 | 128 | 34.0% | $347 | $44,354 | |||
| 1996 | 346 | 110 | 31.8% | $320 | $35,183 | |||
| 1997 | 361 | 100 | 27.7% | $257 | $25,725 | |||
| 1998 | 365 | 102 | 27.9% | $244 | $24,904 | |||
| 1999 | 387 | 121 | 31.3% | $281 | $33,972 | |||
| 2000 | 360 | 98 | 27.2% | $330 | $32,384 | |||
| 2001 | 386 | 124 | 32.1% | $99 | $12,234 | |||
| 2002 | 385 | 129 | 33.5% | $102 | $13,099 | |||
| 2003 | 378 | 149 | 39.4% | $138 | $20,549 | |||
| 2004 | 396 | 168 | 42.4% | $77 | $12,951 | |||
| 2005 | 361 | 110 | 30.5% | $84 | $9,269 | |||
| 2006 | 376 | 129 | 34.3% | $78 | $10,061 | |||
| 2007 | 400 | 120 | 30.0% | $60 | $7,257 | |||
| 2008 | 419 | 141 | 33.7% | $78 | $10,967 | |||
| 2009 | 371 | 125 | 33.7% | $45 | $5,653 | |||
| 2010 | 425 | 132 | 31.1% | $77 | $10,216 | |||
| 2010 | 435 | 168 | 38.6% | $34 | $5,786 | |||
| 2012 | 411 | 128 | 31.1% | $65 | $8,349 | |||
| 2013 | 422 | 256 | 60.7% | $45 | $11,531 |