 Germany 1926
|  Austria 1935
|  Germany 1939
|
 Saarland 1954
|  German Democratic Republic 1955
|  Saarland 1955
|
 Saarland 1955
|  Saarland 1955
|  German Democratic Republic 1960
|
 Germany 1961
|  Panama 1966
|  Niger 1967
|
 Panama 1967
|  Saudi Arabia 1967
|  Ajman 1968
|
 Ajman 1968
|  Ajman 1968
|  Ajman 1968
|
 United Arab Emirates 1968
|  Czechoslovakia 1969
|  Ajman 1970
|
 Ajman 1971
|  Albania 1971
|  Austria 1971
|
 Benin 1971
|  Benin 1971
|  Burundi 1971
|
 Dubai 1971
|  German Democratic Republic 1971
|  German Democratic Republic 1971
|
 German Democratic Republic 1971
|  Germany 1971
|  Romania 1971
|
 Rwanda 1971
|  United Arab Emirates 1971
|  United Arab Emirates 1971
|
 West Berlin 1971
|  Ajman 1972
|  Ajman 1972
|
 Ajman 1972
|  Germany 1972
|  United Arab Emirates 1972
|
 Germany 1977
|  Democratic Republic of the Congo 1978
|  Djibouti 1978
|
 Ghana 1978
|  Hungary 1978
|  Mongolia 1978
|
 Paraguay 1978
|  Republic of the Congo 1978
|  France 1980
|
 Germany 1980
|  Cook Islands 1986
|  Soviet Union 1987
|
 German Democratic Republic 1990
|  Germany 1990
|  Sweden 1992
|
 Angola 2000
|  Guinea-Bissau 2003
|  Germany 2006
|
 Djibouti 2007
|  Germany 2008
|  Niger 2016
|
 Austria 2017
|