1951 – 1954, 1957 – 1958, 1961 – 1962*
1962*
1963 –1966*
1967 – 1970*
1975 – 1978
1983 – 1986
1987 – 1990
1971 – 1974, 1979 – 1982, 1991 – 1994*
1995 – 1998, 1999 – 2002
2003 – 2006, 2007 – 2010
2011 – 2014, 2015 – Present
Las Cruces
* Deceased