Willamette Valley Perennial Ryegrass Seed Production Statistics
| Year | Acreage (acres) | Yield (lbs/acre) |
| 1976 | 43300 | 800 |
| 1977 | 42900 | 900 |
| 1978 | 55870 | 740 |
| 1979 | 57710 | 820 |
| 1980 | 65230 | 920 |
| 1981 | 71610 | 900 |
| 1982 | 76610 | 870 |
| 1983 | 74750 | 880 |
| 1984 | 69800 | 950 |
| 1985 | 62500 | 970 |
| 1986 | 71440 | 980 |
| 1987 | 87900 | 1030 |
| 1988 | 97100 | 1100 |
| 1989 | 104950 | 1150 |
| 1990 | 107160 | 1190 |
| 1991 | 107790 | 1210 |
| 1992 | 107530 | 1040 |
| 1993 | 116680 | 1360 |
| 1994 | 130670 | 1390 |
| 1995 | 136850 | 1230 |
| 1996 | 134200 | 1440 |
| 1997 | 146460 | 1430 |
| 1998 | 169070 | 1360 |
| 1999 | 182800 | 1490 |
| 2000 | 175800 | 1440 |
| 2001 | 166200 | 1440 |
| 2002 | 146600 | 1400 |
| 2003 | 159450 | 1250 |
| 2004 | 172600 | 1420 |
| 2005 | 182680 | 1350 |
| 2006 | 166050 | 1390 |
| 2007 | 155050 | 1460 |
| 2008 | 116860 | 1380 |
| 2009 | 102020 | 1500 |
| 2010 | 88270 | 1580 |
| 2011 | 93760 | 1600 |
| 2012 | 101660 | 1480 |
| 2013 | 100090 | 1480 |
| 2014 | 103030 | 1661 |
| 2015 | 86500 | 1259 |
