Rank	Countries/Territories	Count	Percent
1	United States	333	46.8%
2	China	128	18%
3	Germany	48	6.8%
4	Canada	31	4.4%
5	India	29	4.1%
6	Taiwan	17	2.4%
7	United Kingdom	16	2.3%
8	France	16	2.3%
9	Australia	16	2.3%
10	Japan	15	2.1%
11	Iran, Islamic Republic of	11	1.5%
12	Netherlands	11	1.5%
13	Argentina	6	0.8%
14	Hong Kong	6	0.8%
15	Malaysia	4	0.6%
16	Singapore	4	0.6%
17	Lebanon	3	0.4%
18	Italy	3	0.4%
19	Korea, Republic of	2	0.3%
20	Finland	2	0.3%
21	Philippines	2	0.3%
22	Russia	2	0.3%
23	Norway	1	0.1%
24	Paraguay	1	0.1%
25	Switzerland	1	0.1%
26	Ukraine	1	0.1%
27	Cyprus	1	0.1%
28	Israel	1	0.1%