They could, but some of these places are very tiny. The map would be a mess after labeling every one and finding room for the numbers. There is a world map labeled by region with result numbers.

There are text statistics available by country. This is the smallest page of results for yesterday:
MACAU 729
BERMUDA 708
GUYANA 700
AFGHANISTAN 683
MADAGASCAR 677
MICRONESIA, FEDERATED STATES OF 606
WALLIS AND FUTUNA ISLANDS 604
HONDURAS 580
QATAR 574
JAMAICA 516
TONGA 431
GUAM 428
NIGERIA 394
ALGERIA 378
SAN MARINO 372
CAMBODIA 365
HEARD AND MC DONALD ISLANDS 335
GUADELOUPE 290
NETHERLANDS ANTILLES 275
GRENADA 256
NEPAL 255
ICELAND 248
RWANDA 231
BOLIVIA 192
BURKINA FASO 189
KUWAIT 173
INDONESIA 124

It wouldn't add much more to show everything else, so here they are:


page 1
UNITED STATES 5,677,566
CANADA 924,325
UNITED KINGDOM 890,499
GERMANY 876,264
FRANCE 464,028
AUSTRALIA 311,755
NETHERLANDS 248,803
ITALY 232,462
CZECH REPUBLIC 190,599
BRAZIL 185,578
DENMARK 182,803
SPAIN 170,274
HUNGARY 153,075
FINLAND 138,746
SWITZERLAND 137,404
JAPAN 132,938
BELGIUM 132,470
NORWAY 118,833
RUSSIAN FEDERATION 109,224
SWEDEN 107,721
POLAND 101,839
AUSTRIA 98,260
CHINA 93,798
HONG KONG 80,073
PORTUGAL 77,550
TURKEY 74,090
SOUTH AFRICA 73,178
INDIA 66,199
ISRAEL 55,990
NEW ZEALAND 53,933
TAIWAN 42,028
GREECE 38,809
IRELAND 35,411
PUERTO RICO 31,080
SLOVAKIA 29,800
MEXICO 26,790
LUXEMBOURG 23,920
ROMANIA 21,733
MALAYSIA 21,013
SINGAPORE 20,499
KOREA, REPUBLIC OF 19,506
ARGENTINA 18,457
SLOVENIA 18,118
BULGARIA 17,412
CROATIA 16,728
URUGUAY 16,357
THAILAND 13,423
COLOMBIA 12,319
CHILE 11,481
SERBIA AND MONTENEGRO 10,602

page 2
ESTONIA 9,882
PHILIPPINES 8,236
LATVIA 7,736
UKRAINE 7,570
CYPRUS 7,286
VIET NAM 6,647
MAURITIUS 5,685
BELARUS 5,567
EGYPT 5,536
VENEZUELA 5,377
FRENCH GUIANA 5,118
ANTARCTICA 5,114
TRINIDAD AND TOBAGO 4,647
BOSNIA AND HERZEGOVINA 3,875
MALTA 3,216
LITHUANIA 3,097
MACEDONIA 2,978
UNITED ARAB EMIRATES 2,906
COSTA RICA 2,871
ANDORRA 2,722
PANAMA 2,485
CAPE VERDE 2,227
LEBANON 2,193
PAKISTAN 2,032
SRI LANKA 1,942
CONGO, DEMOCRATIC REPUBLIC OF THE 1,925
GHANA 1,718
ECUADOR 1,639
JORDAN 1,612
ALBANIA 1,533
AMERICAN SAMOA 1,532
CAYMAN ISLANDS 1,526
MOROCCO 1,455
EL SALVADOR 1,396
GEORGIA 1,299
KENYA 1,292
SAUDI ARABIA 1,275
NEW CALEDONIA 1,260
FAROE ISLANDS 1,257
PERU 1,239
BOTSWANA 1,225
ARMENIA 1,214
SEYCHELLES 1,094
MARTINIQUE 931
GAMBIA 909
ARUBA 903
MARSHALL ISLANDS 849
REUNION 809
TUNISIA 808
CAMEROON 789

We can also see the results for members that have not bothered to put a country on their profile --- just about as much as everything else put together that did:

ANONYMOUS 12,434,327

NORTH AMERICA 6,628,681
EUROPE 4,694,739
ASIA 511,704
AUSTRALIA/PACIFIC 376,847
SOUTH AMERICA 258,457
MIDDLE EAST 146,099
AFRICA 100,519
CENTRAL AMERICA/CARIBBEAN 48,464
===========================
ALL RESULTS WITH A COUNTRY 12,765,510