1971
1 trip
1972
2 trips
1973
1 trip
1975
1 trip
1976
1 trip
1977
1 trip
1981
1 trip
1982
1 trip
1983
1 trip
1984
2 trips
1985
1 trip
1986
1 trip
1987
1 trip
1988
1 trip
1990
1 trip
1991
4 trips
1992
3 trips
1993
1 trip
1994
2 trips
1995
1 trip
1996
2 trips
2005
22 trips
2006
28 trips
2007
31 trips
2008
26 trips
2009
27 trips
2010
17 trips
2011
21 trips
2012
16 trips
2013
16 trips
2014
11 trips
2015
12 trips
2016
15 trips
2017
18 trips
2018
17 trips
2019
7 trips
2020
7 trips
2021
4 trips
2022
3 trips
2023
3 trips
2024
1 trip