Years 1981

NPR 3,388

NPR 4,033

NPR 10,047

NPR 4,429

NPR 2,798

NPR 2,870

NPR 19,648

NPR 5,154

NPR 2,551

NPR 3,066

NPR 8,719

NPR 10,113

NPR 2,463

NPR 4,883

NPR 4,003

NPR 2,689

NPR 5,666

NPR 5,715

NPR 16,817

NPR 1,620

NPR 5,539

NPR 16,934

NPR 24,120

NPR 9,212

NPR 12,229

NPR 8,876

NPR 5,647

NPR 13,200

NPR 10,606

NPR 11,389

NPR 10,312

NPR 27,540

NPR 19,429

NPR 15,316

NPR 10,702

NPR 7,423

NPR 17,265

NPR 13,281

NPR 3,964

NPR 6,968

NPR 15,926

NPR 4,181

NPR 10,892

NPR 16,089

NPR 15,734

NPR 4,473

NPR 11,672

NPR 2,765

NPR 10,670

NPR 7,806

NPR 6,151

NPR 8,342

NPR 12,397

NPR 6,517

NPR 26,896

NPR 10,085

NPR 29,967

NPR 16,392

NPR 10,020

NPR 23,038

NPR 46,429

NPR 26,648

NPR 2,601

NPR 26,380

NPR 9,945

NPR 9,307

NPR 3,047

NPR 2,802

NPR 10,113

NPR 1,620

NPR 12,636

NPR 4,815

NPR 2,516

NPR 9,342

NPR 6,505

NPR 2,463

NPR 2,553

NPR 5,219

NPR 2,538

NPR 4,372

NPR 2,078

NPR 2,717

NPR 4,258

NPR 3,557

NPR 5,475

NPR 4,335

NPR 2,896

NPR 4,002

NPR 4,434

NPR 4,127

NPR 4,212

NPR 2,964

NPR 3,016

NPR 22,864

NPR 4,325

NPR 3,546

NPR 6,646

NPR 3,692

NPR 2,647

NPR 3,433

NPR 4,256

NPR 6,137

NPR 6,382

NPR 15,974

NPR 4,054

NPR 5,694

NPR 5,098

NPR 5,795

NPR 2,917

NPR 3,488

NPR 2,983

NPR 2,732

NPR 8,342

NPR 4,430

NPR 9,232

NPR 4,008

NPR 3,568

NPR 5,514

NPR 4,525

NPR 5,448

NPR 3,135

NPR 6,751

NPR 4,814

NPR 3,460

NPR 6,023

NPR 2,279

NPR 12,944

NPR 8,907

NPR 7,287

NPR 5,930

NPR 3,669

NPR 19,328

NPR 8,832

NPR 6,382

NPR 3,207

NPR 6,881