Rank	Countries/Territories	Count	Percent
1	United States	241	45.3%
2	China	112	21.1%
3	Germany	48	9%
4	Romania	18	3.4%
5	France	14	2.6%
6	United Kingdom	13	2.4%
7	South Africa	10	1.9%
8	Korea, Republic of	7	1.3%
9	Netherlands	6	1.1%
10	Tunisia	5	0.9%
11	Australia	5	0.9%
12	Brazil	5	0.9%
13	Turkey	4	0.8%
14	Ukraine	4	0.8%
15	Nigeria	4	0.8%
16	Singapore	4	0.8%
17	Mexico	4	0.8%
18	Taiwan	3	0.6%
19	Canada	3	0.6%
20	India	3	0.6%
21	Iraq	2	0.4%
22	Kenya	2	0.4%
23	Ghana	2	0.4%
24	Hong Kong	2	0.4%
25	Colombia	2	0.4%
26	Cyprus	2	0.4%
27	Denmark	1	0.2%
28	Belgium	1	0.2%
29	Georgia	1	0.2%
30	Lebanon	1	0.2%
31	Argentina	1	0.2%
32	Pakistan	1	0.2%
33	Portugal	1	0.2%