Rank	Countries/Territories	Count	Percent
1	United States	211	33.4%
2	Japan	127	20.1%
3	China	97	15.4%
4	Netherlands	29	4.6%
5	Singapore	23	3.6%
6	South Africa	22	3.5%
7	Germany	20	3.2%
8	India	13	2.1%
9	Ireland	10	1.6%
10	France	7	1.1%
11	Bulgaria	7	1.1%
12	Canada	6	1%
13	Moldova, Republic of	6	1%
14	United Kingdom	6	1%
15	Taiwan	6	1%
16	Hong Kong	5	0.8%
17	Iraq	5	0.8%
18	Chile	4	0.6%
19	Switzerland	4	0.6%
20	Australia	3	0.5%
21	Malaysia	3	0.5%
22	Italy	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	Cyprus	2	0.3%
25	Russia	2	0.3%
26	Norway	2	0.3%
27	Poland	1	0.2%
28	Romania	1	0.2%
29	Nigeria	1	0.2%
30	Ukraine	1	0.2%
31	Finland	1	0.2%
32	Kenya	1	0.2%
33	Korea, Republic of	1	0.2%