Country

1955

1990

2025

Djibouti

147

23

9

Kuwait

808

75

57

Malta

96

85

69

Qatar

1,427

117

68

Bahrain

672

179

89

Barbados

221

195

164

Singapore

459

221

181

Saudi Arabia

1,266

306

113

United Arab Emirates

6,195

308

176

Jordan

906

327

121

Yemen

1,098

445

152

Israel

1,229

461

264

Tunisia

1,127

540

324

Cape Verde

1,184

551

258

Kenya

2,087

636

235

Burundi

1,339

655

269

Algeria

1,770

689

332

Rwanda

2,636

897

306

Malawi

2,839

939

361

Somalia

2,500

980

363

Libya

4,105

1,017

359

Morocco

2,763

1,117

590

Egypt

2,561

1,123

630

Oman

4,240

1,266

410

Cyprus

1,698

1,282

996

South Africa

3,249

1,317

683

Korea, South

2,940

1,452

1,253

Poland

2,053

1,467

1,279

Belgium

1,906

1,696

1,706

Haiti

3,136

1,696

838

Lebanon

3,088

1,818

1,113

Peru

4,612

1,856

1,071

Comoros

5,256

1,878

620

Iran

6,203

2,025

816

Mauritius

3,854

2,047

1,575

Syria

6,500

2,087

732

United Kingdom

2,344

2,090

1,992

Ethiopia

5,073

2,207

842

Lesotho

5,039

2,290

1,057

Zimbabwe

7,061

2,312

1,005

China

4,597

2,427

1,818

India

5,277

2,464

1,496

Sri Lanka

4,930

2,498

1,738

Germany

2,843

2,516

2,384

Denmark

2,928

2,529

2,529

Dominican Rep.

7,306

2,789

1,747

Nigeria

8,304

2,838

1,078

Spain

3,801

2,849

2,733

Tanzania

8,525

2,924

1,025

Afghanistan

5,137

3,020

1,091

Korea, North

7,836

3,077

2,010

Italy

3,845

3,243

3,325

France

4,260

3,262

3,044

Thailand

7,865

3,274

2,477

Cuba

5,454

3,299

2,694

Madagascar

8,476

3,331

1,185

Togo

8,485

3,398

1,280

Jamaica

5,383

3,430

2,365

Ghana

9,204

3,529

1,395

Turkey

8,509

3,626

2,186

El Salvador

8,583

3,674

1,952

Uganda

11,880

3,759

1,437

Pakistan

10,590

3,962

1,803

Mozambique

8,601

4,085

1,598

Trinidad and Tobago

7,073

4,126

2,867

Mexico

11,396

4,226

2,597

Mauritania

9,855

4,387

1,778

Japan

6,091

4,428

4,306

Senegal

12,451

4,777

2,049

Sudan

11,899

4,792

1,993

Philippines

13,507

5,173

3,072

Benin

12,316

5,625

2,105

Vietnam

11,746

5,638

3,215

Niger

16,362

5,691

2,067

Czechoslovakia

6,950

5,810

5,078

Greece

7,406

5,828

5,840

Netherlands

8,371

6,023

5,093

Iraq

18,441

6,029

2,356

Cote d’Ivoire

22,974

6,177

1,950

Namibia

15,900

6,254

2,399

Lithuania

9,130

6,433

5,804

Albania

15,120

6,462

4,711

Portugal

7,665

6,688

6,519

Mali

15,853

6,729

2,522

Chad

13,389

6,843

2,944

Switzerland

10,040

7,449

6,492

Nepal

19,596

8,686

4,244

Romania

11,895

8,963

7,918

Swaziland

23,918

9,268

4,002

United States

14,934

9,913

7,695

Hungary

11,704

10,897

11,062

Yugoslavia

15,126

11,130

10,161

Estonia

15,517

11,371

10,804

Mongolia

29,413

11,416

5,454

Austria

12,955

11,670

10,892

Zambia

34,872

11,797

4,576

Guatemala

33,810

12,613

5,354

Latvia

16,874

12,654

12,350

Luxembourg

16,394

13,405

11,682