Bubbles in the Bathtub

Total registration now stands at 745. With nearly three months to go I expect the number to grow by 200 to 300, but I suspect there could be a larger than usual number of people registering on site.

There have been slight changes in the most represented countries:
UNITED STATES: 502
MEXICO: 22
COSTA RICA: 20
UNITED KINGDOM: 18
CANADA: 14
AUSTRALIA: 10
VENEZUELA: 8
INDIA: 7
PORTUGAL: 7
COLOMBIA: 6
GUATEMALA: 6
ITALY: 6
JAPAN: 6
PERU: 6

In all 68 countries are now represented. Here is the complete list:
ARGENTINA
ARUBA
AUSTRALIA
BARBADOS
BELIZE
BERMUDA
BRAZIL
CAMEROON
CANADA
CAYMAN ISLANDS
COLOMBIA
COSTA RICA
CROATIA
CUBA
DENMARK
DOMINICA
ECUADOR
EGYPT
EQUATORIAL GUINEA
ERITREA
FRANCE
GABON
GAMBIA
GERMANY
GHANA
GREECE
GRENADA
GUATEMALA
GUYANA
INDIA
IRAN, ISLAMIC REPUBLIC OF
ITALY
JAPAN
KENYA
MALAYSIA
MEXICO
MONTSERRAT
MOROCCO
NETHERLANDS
NETHERLANDS ANTILLES
NICARAGUA
NIGERIA
OMAN
PALAU
PANAMA
PERU
PHILIPPINES
PORTUGAL
PUERTO RICO
SAINT KITTS AND NEVIS
SAINT LUCIA
SAMOA
SENEGAL
SOUTH AFRICA
SPAIN
SWEDEN
TAIWAN, PROVINCE OF CHINA
TANZANIA, UNITED REPUBLIC OF
THAILAND
TOGO
TRINIDAD AND TOBAGO
TURKS AND CAICOS ISLANDS
UNITED KINGDOM
UNITED STATES
URUGUAY
VENEZUELA
VIRGIN ISLANDS, U.S.
YEMEN