Rank	Countries/Territories	Count	Percent
1	United States	276	36.3%
2	China	227	29.8%
3	Germany	92	12.1%
4	France	31	4.1%
5	Australia	26	3.4%
6	Japan	12	1.6%
7	Korea, Republic of	11	1.4%
8	India	10	1.3%
9	Brazil	9	1.2%
10	Canada	8	1.1%
11	Netherlands	8	1.1%
12	Lithuania	7	0.9%
13	Ireland	5	0.7%
14	Singapore	3	0.4%
15	Norway	3	0.4%
16	Indonesia	3	0.4%
17	Egypt	3	0.4%
18	Chile	3	0.4%
19	Cyprus	3	0.4%
20		3	0.4%
21	Argentina	2	0.3%
22	Denmark	2	0.3%
23	Malaysia	2	0.3%
24	Mauritius	2	0.3%
25	Philippines	2	0.3%
26	Spain	2	0.3%
27	United Kingdom	2	0.3%
28	Turkey	1	0.1%
29	Romania	1	0.1%
30	Russia	1	0.1%
31	Saudi Arabia	1	0.1%