Languages on Twitter in New York, London

Found an article in Portuguese today that references a site here that has tracked the number of tweets based in New York by language, with London as well. The numbers for New York are as follows:

English: 8,071,871
Spanish: 228,534
Portuguese: 47,646
Japanese: 28,330
Russian: 21,324
Korean: 20,865
French: 19,034
Arabic: 17,072
Italian: 10,278
Turkish: 8,698