Subsequent to the open posting of this book in April 2001, approximately 250,000 downloads have been reported (as of December 2010). At an average redundancy rate of 20%, this amounts to some 200,000 unique readers. The download rate has generally averaged between 2000 and 2500 copies per month. (We have no records on other circulation of the pdf file, although it appears to be widespread.) The text has been downloaded to more than 150 countries and to all seven continents (see below). It has been adopted as a classroom textbook at dozens of universities worldwide. We are very grateful to our readers for their interest in our work and for the many kind and useful messages that we have received. We hope that the book will be of value to you. AFRICA ------ Algeria Benin Botswana Burkina Faso Cameroon Cape Verde Islands Central African Republic Chad Congo Egypt Eritrea Ethiopia Gambia Ghana Guinea Ivory Coast Kenya Lesotho Libya Madagascar Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Rwanda Senegal Seychelles Sierra Leon South Africa Sudan Tanzania Tunisia Uganda Zambia Zimbabwe ANTARCTICA __________ McMurdo Station ASIA ---- Afghanistan Armenia Azerbaijan Bahrain Bangladesh Bhutan Brunei Cambodia China Georgia Hong Kong (China) India Indonesia Iran Iraq Israel Japan Jordan Kazakhstan Korea Kuwait Lebanon Macau Malaysia Maldives Mongolia Myanmar Nepal Oman Pakistan Palestine/Gaza Philippines Qatar Saudi Arabia Singapore Sri Lanka Syria Taiwan Thailand Turkey United Arab Emirates Uzbekistan Vietnam Yemen AUSTRALIA & OCEANIA ------------------- Australia Fiji Guam (USA) Kiribati New Zealand Northern Mariana Islands Papua New Guinea Republic of the Marshall Islands Solomon Islands EUROPE ------ Albania Andorra Austria Azores (Portugal) Belarus Belgium Bosnia/Hercgv. Bulgaria Canary Islands (Spain) Croatia Cyprus Czech Republic Denmark Estonia Finland France Germany Greece Hungary Iceland Ireland Italy Latvia Lithuania Luxembourg Macedonia Malta Netherlands Norway Poland Portugal Romania Russia Slovakia Slovenia Spain Sweden Switzerland UK Ukraine Yugoslavia NORTH AMERICA ------------- Bahamas Barbados Canada Costa Rica Cuba Dominica Dominican Republic El Salvador Guatemala Guyana Haiti Honduras Mexico Nicaragua Puerto Rico (USA) St, Vincent & The Grenadines Trinidad & Tobago United States SOUTH AMERICA ------------- Argentina Bolivia Brazil Chile Colombia Ecuador Guyana Netherlands-Antilles (Aruba and Curacao) Panama Paraguay Peru St. Lucia Surinam Uruguay Venezuela The countries listed are derived from user reports; however, based upon our correspondence with many of those users, we believe the reported countries to be almost entirely accurate. About 70% of the reported countries have been validated through server logs of the primary domain suffix; those logs are, of course, blind to the origins of most .com addresses such as hotmail and yahoo. All but a handful of the countries listed have had many downloads.