Rank	Countries/Territories	Count	Percent
1	United States	344	43.9%
2	China	182	23.2%
3	Germany	74	9.4%
4	Japan	45	5.7%
5	Netherlands	13	1.7%
6	India	11	1.4%
7	Australia	10	1.3%
8	Canada	9	1.1%
9		8	1%
10	France	8	1%
11	Philippines	7	0.9%
12	Singapore	7	0.9%
13	Korea, Republic of	7	0.9%
14	Ireland	6	0.8%
15	Pakistan	5	0.6%
16	Indonesia	5	0.6%
17	Egypt	5	0.6%
18	Colombia	4	0.5%
19	Malaysia	4	0.5%
20	Turkey	4	0.5%
21	Spain	3	0.4%
22	Thailand	3	0.4%
23	Cyprus	3	0.4%
24	Greece	2	0.3%
25	Ukraine	2	0.3%
26	United Kingdom	2	0.3%
27	Norway	2	0.3%
28	Russia	2	0.3%
29	Saudi Arabia	2	0.3%
30	South Africa	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Mongolia	1	0.1%
33	Ethiopia	1	0.1%
34	Argentina	1	0.1%