Rank	Countries/Territories	Count	Percent
1	United States	513	34.9%
2	China	429	29.2%
3	Germany	214	14.6%
4	Switzerland	54	3.7%
5	France	50	3.4%
6		36	2.5%
7	Japan	31	2.1%
8	Singapore	27	1.8%
9	Canada	18	1.2%
10	Netherlands	14	1%
11	India	10	0.7%
12	Cyprus	8	0.5%
13	United Kingdom	8	0.5%
14	Australia	7	0.5%
15	Korea, Republic of	7	0.5%
16	Italy	6	0.4%
17	Russia	6	0.4%
18	Spain	5	0.3%
19	Sweden	5	0.3%
20	Argentina	4	0.3%
21	Austria	3	0.2%
22	Bangladesh	3	0.2%
23	Hong Kong	3	0.2%
24	Lithuania	2	0.1%
25	Turkey	2	0.1%
26	Norway	1	0.1%
27	Portugal	1	0.1%
28	Romania	1	0.1%
29	Mongolia	1	0.1%