Rank	Countries/Territories	Count	Percent
1	United States	247	30.2%
2	China	223	27.3%
3	Germany	59	7.2%
4	Australia	53	6.5%
5	United Kingdom	32	3.9%
6	Japan	30	3.7%
7	Italy	22	2.7%
8	Latvia	15	1.8%
9	France	13	1.6%
10	Brazil	12	1.5%
11	Netherlands	12	1.5%
12	Norway	12	1.5%
13	Singapore	11	1.3%
14	Korea, Republic of	9	1.1%
15	Canada	9	1.1%
16	Ireland	7	0.9%
17	Spain	7	0.9%
18	Switzerland	6	0.7%
19	Egypt	5	0.6%
20	India	4	0.5%
21	Taiwan	4	0.5%
22	Ukraine	3	0.4%
23	South Africa	3	0.4%
24	Romania	3	0.4%
25	Cyprus	3	0.4%
26	Finland	2	0.2%
27	Argentina	2	0.2%
28	New Zealand	2	0.2%
29	Viet Nam	2	0.2%
30	United Arab Emirates	1	0.1%
31	Russia	1	0.1%
32	Pakistan	1	0.1%
33	Sweden	1	0.1%
34	Denmark	1	0.1%