• 1968 to 1969 1
• 1970 to 1974 0
• 1975 to 1979 0
• 1980 to 1984 0
• 1985 to 1989 0
• 1990 to 1994 0
• 1995 to 1999 1
• 2000 to 2004 5
• 2005 to 2009 11
• 2010 to 2014 34
• 2015 to 2019 59,684
• 2020 to 2023 11,351