Willamette Valley White Clover Seed Production Statistics
| Year | Acreage (acres) | Yield (lbs/acre) |
| 1976 | 1420 | 310 |
| 1977 | 1855 | 280 |
| 1978 | 2290 | 250 |
| 1979 | 2480 | 310 |
| 1980 | 3065 | 310 |
| 1981 | 3050 | 300 |
| 1982 | 4250 | 270 |
| 1983 | 4350 | 150 |
| 1984 | 4700 | 270 |
| 1985 | 5300 | 250 |
| 1986 | 4650 | 290 |
| 1987 | 4000 | 290 |
| 1988 | 3500 | 270 |
| 1989 | 1800 | 230 |
| 1990 | 1600 | 230 |
| 1991 | 2200 | 300 |
| 1992 | 1550 | 380 |
| 1993 | 1400 | 320 |
| 1994 | 1400 | 320 |
| 1995 | 1200 | 380 |
| 1996 | 1050 | 400 |
| 1997 | 1260 | 350 |
| 1998 | 1300 | 430 |
| 1999 | 2000 | 400 |
| 2000 | 2800 | 400 |
| 2001 | 2530 | 500 |
| 2002 | 3100 | 400 |
| 2003 | 4380 | 200 |
| 2004 | 4500 | 470 |
| 2005 | 6250 | 600 |
| 2006 | 8400 | 650 |
| 2007 | 9130 | 400 |
| 2008 | 10170 | 350 |
| 2009 | 12640 | 630 |
| 2010 | 12410 | 470 |
| 2011 | 11470 | 450 |
| 2012 | 10450 | 450 |
| 2013 | 10150 | 450 |
| 2014 | 9958 | 464 |
| 2015 | 11000 | 588 |