Rank	Countries/Territories	Count	Percent
1	United States	226	41.4%
2	China	99	18.1%
3	Germany	57	10.4%
4	France	20	3.7%
5	Canada	17	3.1%
6	Netherlands	16	2.9%
7	India	15	2.7%
8	Serbia	14	2.6%
9	Ireland	9	1.6%
10	Singapore	8	1.5%
11	United Kingdom	7	1.3%
12	Argentina	6	1.1%
13	Italy	5	0.9%
14	Australia	4	0.7%
15	Austria	4	0.7%
16	Switzerland	4	0.7%
17	Saudi Arabia	3	0.5%
18	Philippines	3	0.5%
19	Bulgaria	3	0.5%
20	Cyprus	3	0.5%
21	Denmark	3	0.5%
22	Greece	3	0.5%
23	Ecuador	2	0.4%
24	Egypt	2	0.4%
25	Poland	2	0.4%
26	Spain	2	0.4%
27	Lebanon	2	0.4%
28	Malaysia	2	0.4%
29	Turkey	2	0.4%
30	Mexico	1	0.2%
31	Norway	1	0.2%
32	Korea, Republic of	1	0.2%