Rank	Countries/Territories	Count	Percent
1	United States	175	34%
2	Germany	94	18.3%
3	China	82	16%
4	France	32	6.2%
5	India	28	5.4%
6	Korea, Republic of	17	3.3%
7	Egypt	13	2.5%
8	Netherlands	10	1.9%
9	Japan	6	1.2%
10	Australia	6	1.2%
11	Canada	4	0.8%
12	Iran, Islamic Republic of	4	0.8%
13	Turkey	4	0.8%
14	South Africa	3	0.6%
15	Thailand	3	0.6%
16	Pakistan	3	0.6%
17	Romania	3	0.6%
18	Russia	3	0.6%
19	Singapore	2	0.4%
20	Malaysia	2	0.4%
21	Mexico	2	0.4%
22	Palestine, State of	2	0.4%
23	United Kingdom	2	0.4%
24	Indonesia	2	0.4%
25	Algeria	2	0.4%
26	Belgium	2	0.4%
27	Czech Republic	2	0.4%
28	Cyprus	1	0.2%
29	Iraq	1	0.2%
30	Ireland	1	0.2%
31	Georgia	1	0.2%
32	Hong Kong	1	0.2%
33	Philippines	1	0.2%