Rank	Countries/Territories	Count	Percent
1	China	171	35.9%
2	United States	149	31.3%
3	Germany	52	10.9%
4	Russia	18	3.8%
5	France	17	3.6%
6	Canada	16	3.4%
7	Japan	14	2.9%
8	Netherlands	11	2.3%
9	Ireland	3	0.6%
10	Cyprus	3	0.6%
11	India	3	0.6%
12	Indonesia	2	0.4%
13	Iran, Islamic Republic of	2	0.4%
14	Italy	2	0.4%
15	Malaysia	2	0.4%
16	Portugal	2	0.4%
17	Qatar	2	0.4%
18	Singapore	2	0.4%
19	Switzerland	2	0.4%
20	Ukraine	1	0.2%
21	Norway	1	0.2%
22	Dominican Republic	1	0.2%