| Total | 
 4 839 | 
 4 765 | 
 | Norway | 
 4 102 | 
 3 958 | 
 | Foreign countries, total | 
  737 | 
  807 | 
 | Sweden | 
 84 | 
 61 | 
 | Denmark | 
 68 | 
 99 | 
 | Finland | 
 6 | 
 6 | 
 | Iceland | 
 10 | 
 36 | 
 | United Kingdom | 
  358 | 
  199 | 
 | Netherlands | 
 10 | 
 20 | 
 | Germany | 
 50 | 
 76 | 
 | France | 
 61 | 
 65 | 
 | Spain | 
 10 | 
 - | 
 | Switzerland | 
 5 | 
 16 | 
 | Liechtenstein | 
 - | 
 - | 
 | Italy | 
 10 | 
 12 | 
 | Austria | 
 10 | 
 8 | 
 | Belgium | 
 2 | 
 30 | 
 | Portugal | 
 - | 
 1 | 
 | Greece | 
 - | 
 - | 
 | Ireland | 
 - | 
 5 | 
 | Luxembourg | 
 - | 
 - | 
 | Turkey | 
 - | 
 - | 
 | Poland | 
 - | 
 4 | 
 | Czech Republic | 
 - | 
 - | 
 | Slovakia | 
 - | 
 - | 
 | Hungary | 
 - | 
 2 | 
 | Estonia | 
 - | 
 1 | 
 | Latvia | 
 - | 
 - | 
 | Lithuania | 
 - | 
 - | 
 | Cyprus | 
 - | 
 - | 
 | Malta | 
 - | 
 - | 
 | Slovenia | 
 - | 
 - | 
 | Ukraine | 
 - | 
 4 | 
 | Russia | 
 8 | 
 2 | 
 | Other European countries n.e.s. | 
 - | 
 15 | 
 | United States | 
 36 | 
 34 | 
 | Canada | 
 - | 
 2 | 
 | Mexico | 
 - | 
 - | 
 | Brazil | 
 - | 
 19 | 
 | Other South or Central American countries | 
 1 | 
 1 | 
 | Australia | 
 1 | 
 11 | 
 | Other Oceanic countries or territories | 
 - | 
 - | 
 | Japan | 
 2 | 
 31 | 
 | People's Republic of China | 
 1 | 
 9 | 
 | Republic of Korea | 
 - | 
 1 | 
 | Other Asian countries | 
 - | 
 37 | 
 | South Africa | 
 4 | 
 - | 
 | Other African countries | 
 - | 
 - | 
  |