BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 131 47.6%
2 United States 59 21.5%
3 Netherlands 16 5.8%
4 Germany 16 5.8%
5 Chile 11 4%
6 Japan 10 3.6%
7 Russia 7 2.5%
8 France 6 2.2%
9 Singapore 4 1.5%
10 Turkey 3 1.1%
11 Mexico 2 0.7%
12 Romania 2 0.7%
13 Hong Kong 2 0.7%
14 India 2 0.7%
15 Korea, Republic of 1 0.4%
16 Brazil 1 0.4%
17 Slovakia 1 0.4%
18 Ukraine 1 0.4%