Rank	Countries/Territories	Count	Percent
1	United States	460	38%
2	China	370	30.6%
3	Germany	131	10.8%
4	United Kingdom	44	3.6%
5	Netherlands	36	3%
6	Japan	35	2.9%
7	Canada	18	1.5%
8	Singapore	15	1.2%
9	Australia	10	0.8%
10	India	8	0.7%
11	France	8	0.7%
12	Spain	7	0.6%
13	Korea, Republic of	7	0.6%
14	Mexico	6	0.5%
15	Israel	5	0.4%
16	Italy	5	0.4%
17	Poland	5	0.4%
18	Norway	4	0.3%
19	Russia	4	0.3%
20	Taiwan	4	0.3%
21	Hong Kong	4	0.3%
22	Egypt	3	0.2%
23	Switzerland	3	0.2%
24	Portugal	2	0.2%
25	New Zealand	2	0.2%
26	Greece	2	0.2%
27	Brazil	2	0.2%
28	Cyprus	2	0.2%
29	Hungary	2	0.2%
30	Indonesia	2	0.2%
31	Iran, Islamic Republic of	1	0.1%
32	Czech Republic	1	0.1%
33	Turkey	1	0.1%