(contributed once in 2019)
(contributed once in 2018)
(contributed once in 1992)
(contributed twice between 1983 and 1990)
(contributed twice between 2017 and 2020)
(contributed once in 2015)
(contributed once in 2001)
(contributed once in 2008)
(contributed once in 1992)
(contributed twice in 2008)
(contributed once in 2009)
(contributed once in 2011)
(contributed three times between 1985 and 2018)
(contributed once in 1983)
(contributed once in 2005)
(contributed once in 2018)
(contributed 23 times between 1977 and 1995)
(contributed twice between 1982 and 2008)
(contributed twice in 2013)
(contributed once in 2010)
