Rank	Countries/Territories	Count	Percent
1	United States	184	33.2%
2	China	154	27.7%
3	Germany	56	10.1%
4	Netherlands	38	6.8%
5	Singapore	16	2.9%
6	France	13	2.3%
7	Japan	10	1.8%
8	Iran, Islamic Republic of	10	1.8%
9	Korea, Republic of	9	1.6%
10	India	8	1.4%
11	Canada	8	1.4%
12	Lithuania	6	1.1%
13	Australia	5	0.9%
14	Brazil	5	0.9%
15	Switzerland	5	0.9%
16	Syrian Arab Republic	3	0.5%
17	Czech Republic	3	0.5%
18	Malaysia	3	0.5%
19	Cyprus	2	0.4%
20	Taiwan	2	0.4%
21	Israel	2	0.4%
22	Romania	2	0.4%
23	Russia	2	0.4%
24	Spain	1	0.2%
25	Iraq	1	0.2%
26	Ireland	1	0.2%
27	Pakistan	1	0.2%
28	Thailand	1	0.2%
29	Algeria	1	0.2%
30	Mongolia	1	0.2%
31	Indonesia	1	0.2%
32	Ghana	1	0.2%