Region
20th century
1
21st century
2
ASEAN countries
2
ASEAN countries --
4
Africa
9
Africa --
18
Africa, Southern
1
Africa, Southern --
3
Africa, Sub-Saharan --
2
Agentina
1
Alberta
1
Alberta --
1
Arab countries
1
Arab countries --
1
Argentina --
3
Armenia (Republic) --
1
Asia
35
Asia --
48
Asia, Central
1
Asia, Central --
1
Asia, Southeaster
1
Asia, Southeastern
8
Asia, Southeastern --
11
Asia, Southestern
1
Asian
1
Asian --
1
Australia
4
Australia --
9
Australian
1
Austrlia
1
Baltic States
1
Borneo
1
Borneo --
1
Botswana --
1
Brazil --
2
Bulgaria
1
Bulgaria --
2
Burma
4
Burma --
5
Cambodia --
1
Canada
2
Canada --
1
Caribbean Area
1
Caribbean Area --
1
Central America
2
Central America --
2
Chian --
1
Chile
3
Chile --
5
China
39
more ...