Rank	Countries/Territories	Count	Percent
1	United States	189	50.3%
2	China	85	22.6%
3	Germany	27	7.2%
4	Ireland	11	2.9%
5	Japan	10	2.7%
6	Canada	6	1.6%
7	Netherlands	5	1.3%
8	Cyprus	4	1.1%
9	Australia	4	1.1%
10	Russia	4	1.1%
11	United Kingdom	3	0.8%
12	France	3	0.8%
13	Romania	3	0.8%
14	Italy	3	0.8%
15	Qatar	2	0.5%
16	India	2	0.5%
17	Fiji	2	0.5%
18	Taiwan	2	0.5%
19	Singapore	2	0.5%
20	South Africa	1	0.3%
21	Sweden	1	0.3%
22	Switzerland	1	0.3%
23	Saudi Arabia	1	0.3%
24	Belgium	1	0.3%
25	Iran, Islamic Republic of	1	0.3%
26	Pakistan	1	0.3%
27	Palestine, State of	1	0.3%
28	Korea, Republic of	1	0.3%