Rank	Countries/Territories	Count	Percent
1	United States	295	38.2%
2	China	242	31.3%
3	Germany	42	5.4%
4	Canada	22	2.8%
5	Iran, Islamic Republic of	21	2.7%
6	Australia	16	2.1%
7	Japan	16	2.1%
8	India	15	1.9%
9	France	10	1.3%
10	Indonesia	9	1.2%
11	Israel	8	1%
12	Singapore	8	1%
13	Netherlands	7	0.9%
14	Korea, Republic of	7	0.9%
15	Russia	7	0.9%
16	Egypt	6	0.8%
17	Taiwan	5	0.6%
18	Denmark	4	0.5%
19	Cyprus	3	0.4%
20	Argentina	3	0.4%
21	Ireland	3	0.4%
22	Sweden	3	0.4%
23	Nigeria	2	0.3%
24	Norway	2	0.3%
25	Philippines	2	0.3%
26	Libya	2	0.3%
27	Greece	2	0.3%
28	Armenia	2	0.3%
29	United Kingdom	2	0.3%
30	Brazil	1	0.1%
31	Bulgaria	1	0.1%
32	Ethiopia	1	0.1%
33	Mexico	1	0.1%
34	Kuwait	1	0.1%
35	Kazakhstan	1	0.1%
36	Ukraine	1	0.1%