missing; unknown
not asked
not applicable
no answer
don´t know
afghanistan
albania
algeria
american samoa
andorra
angola
antigua and barbuda
azerbaijan
argentina
australia
austria
bahamas
bahrain
bangladesh
armenia
barbados
belgium
bermuda
bhutan
bolivia
bosnia and herzegovina
botswana
brazil
belize
solomon islands
british virgin islands
brunei darussalam
bulgaria
myanmar
burundi
belarus
cambodia
cameroon
canada
cape verde
cayman islands
central african republic
sri lanka
chad
chile
china
taiwan province of china
colombia
comoros
mayotte
congo
democratic republic of the congo
cook islands
costa rica
croatia
cuba
cyprus
czech republic
benin
denmark
dominica
dominican republic
ecuador
el salvador
equatorial guinea
ethiopia
eritrea
estonia
faeroe islands
falkland islands (malvinas)
fiji
finland
france
french guiana
french polynesia
djibouti
gabon
georgia
gambia
occupied palestinian territory
germany
ghana
gibraltar
kiribati
greece
greenland
grenada
guadeloupe
guam
guatemala
guinea
guyana
haiti
holy see
honduras
hong kong special administrative region of china
hungary
iceland
india
indonesia
iran (islamic republic of)
iraq
ireland
israel
italy
côte d´ivoire
jamaica
japan
kazakhstan
jordan
kenya
democratic people´s republic of korea
republic of korea
kuwait
kyrgyzstan
lao people´s democratic republic
lebanon
lesotho
latvia
liberia
libyan arab jamahiriya
liechtenstein
lithuania
luxembourg
macao special administrative region of china
madagascar
malawi
malaysia
maldives
mali
malta
martinique
mauritania
mauritius
mexico
monaco
mongolia
republic of moldova
Montenegro
montserrat
morocco
mozambique
oman
namibia
nauru
nepal
netherlands
netherlands antilles
aruba
new caledonia
vanuatu
new zealand
nicaragua
niger
nigeria
niue
norfolk island
norway
northern mariana islands
micronesia (federated states of)
marshall islands
palau
pakistan
panama
papua new guinea
paraguay
peru
philippines
pitcairn
poland
portugal
guinea-bissau
timor-leste
puerto rico
qatar
réunion
romania
russian federation
rwanda
saint helena
saint kitts and nevis
anguilla
saint lucia
saint pierre and miquelon
saint vincent and the grenadines
san marino
sao tome and principe
saudi arabia
senegal
Serbia
seychelles
sierra leone
singapore
slovakia
viet nam
slovenia
somalia
south africa
zimbabwe
spain
western sahara
sudan
suriname
svalbard and jan mayen islands
swaziland
sweden
switzerland
syrian arab republic
tajikistan
thailand
togo
tokelau
tonga
trinidad and tobago
united arab emirates
tunisia
turkey
turkmenistan
turks and caicos islands
tuvalu
uganda
ukraine
macedonia, republic of
egypt
great britain
isle of man
tanzania, united republic of
united states
united states virgin islands
burkina faso
uruguay
uzbekistan
venezuela
wallis and futuna islands
samoa
yemen
serbia and montenegro
zambia
germany west
germany east
tambov
moscow
basque country
andalusia
galicia
northern ireland
valencia
serbia
montenegro
srpska - serbian republic of bosnia
bosnia federation
Kosovo
Afghanistan
Algeria
Benin
Bhutan
Bolivia
Botswana
Brunei
Cambodia
Cape Verde
Costa Rica
Ecuador
Honduras
Kazakhstan
Kenya
Kuwait
Laos
Lebanon
Lesotho
Madagascar
Malawi
Maldives
Mongolia
Mozambique
Myanmar
Namibia
Nepal
Nicaragua
Palestine
Panama
Paraguay
Senegal
Sri Lanka
Taiwan
Tajikistan
Turkmenistan
Uruguay
Uzekistan
Yemen
1981-1984
1986
1989-1993
1994-1999
1999-2004
2005-2009