WL (MBSL) | Months Counted | Decade |
210.63 | 118 | 1936-1945 |
210.42 | 115 | 1946-1955 |
209.77 | 120 | 1956-1965 |
209.79 | 120 | 1966-1975 |
210.14 | 120 | 1976-1985 |
210.53 | 120 | 1986-1995 |
211.75 | 120 | 1996-2005 |
212.43 | 132 | 2006-2016 |