YMPE and YBE History
| Year | YMPE | YBE |
| 2009 | 46300.00 | 3500.00 |
| 2008 | 44900.00 | 3500.00 |
| 2007 | 43700.00 | 3500.00 |
| 2006 | 42100.00 | 3500.00 |
| 2005 | 41100.00 | 3500.00 |
| 2004 | 40500.00 | 3500.00 |
| 2003 | 39900.00 | 3500.00 |
| 2002 | 39100.00 | 3500.00 |
| 2001 | 38300.00 | 3500.00 |
| 2000 | 37600.00 | 3500.00 |
| 1999 | 37400.00 | 3500.00 |
| 1998 | 36900.00 | 3500.00 |
| 1997 | 35800.00 | 3500.00 |
| 1996 | 35400.00 | 3500.00 |
| 1995 | 34900.00 | 3400.00 |
| 1994 | 34400.00 | 3400.00 |
| 1993 | 33400.00 | 3300.00 |
| 1992 | 32200.00 | 3200.00 |
| 1991 | 30500.00 | 3000.00 |
| 1990 | 28900.00 | 2800.00 |
| 1989 | 27700.00 | 2700.00 |
| 1988 | 26500.00 | 2600.00 |
| 1987 | 25900.00 | 2500.00 |
| 1986 | 25800.00 | 2500.00 |
| 1985 | 23400.00 | 2300.00 |
| 1984 | 20800.00 | 2000.00 |
| 1983 | 18500.00 | 1800.00 |
| 1982 | 16500.00 | 1600.00 |
| 1981 | 14700.00 | 1400.00 |
| 1980 | 13100.00 | 1300.00 |
| 1979 | 11700.00 | 1100.00 |
| 1978 | 10400.00 | 1000.00 |
| 1977 | 9300.00 | 900.00 |
| 1976 | 8300.00 | 800.00 |
| 1975 | 7400.00 | 700.00 |
| 1974 | 6600.00 | 700.00 |
| 1973 | 5600.00 | 600.00 |
| 1972 | 5500.00 | 600.00 |
| 1971 | 5400.00 | 600.00 |
| 1970 | 5300.00 | 600.00 |
| 1969 | 5200.00 | 600.00 |