BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 47 46.1%
2 United States 15 14.7%
3 Netherlands 7 6.9%
4 Canada 6 5.9%
5 Germany 6 5.9%
6 Korea, Republic of 3 2.9%
7 Brazil 3 2.9%
8 Switzerland 2 2%
9 Russia 2 2%
10 Finland 2 2%
11 France 1 1%
12 Chile 1 1%
13 Latvia 1 1%
14 Greece 1 1%
15 Japan 1 1%
16 Singapore 1 1%
17 Nigeria 1 1%
18 Norway 1 1%
19 Turkmenistan 1 1%