Rank	Countries/Territories	Count	Percent
1	United States	226	34.8%
2	China	188	28.9%
3	Germany	82	12.6%
4	Japan	31	4.8%
5	Canada	20	3.1%
6	Singapore	12	1.8%
7	Netherlands	10	1.5%
8	India	10	1.5%
9	France	9	1.4%
10	Korea, Republic of	7	1.1%
11		6	0.9%
12	Australia	6	0.9%
13	Turkey	5	0.8%
14	Ukraine	5	0.8%
15	Brazil	4	0.6%
16	Hong Kong	4	0.6%
17	Cyprus	4	0.6%
18	Ireland	3	0.5%
19	Palestine, State of	3	0.5%
20	Poland	2	0.3%
21	United Kingdom	2	0.3%
22	Sri Lanka	2	0.3%
23	Austria	2	0.3%
24	Italy	1	0.2%
25	Indonesia	1	0.2%
26	Iran, Islamic Republic of	1	0.2%
27	Lebanon	1	0.2%
28	Lithuania	1	0.2%
29	Mexico	1	0.2%
30	Russia	1	0.2%