BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 47 26.7%
2 China 36 20.5%
3 Germany 28 15.9%
4 United Kingdom 17 9.7%
5 Netherlands 10 5.7%
6 Colombia 9 5.1%
7 Taiwan 6 3.4%
8 France 4 2.3%
9 India 3 1.7%
10 Japan 3 1.7%
11 Spain 2 1.1%
12 Ukraine 2 1.1%
13 Norway 2 1.1%
14 Hong Kong 2 1.1%
15 Russia 1 0.6%
16 Kuwait 1 0.6%
17 Moldova, Republic of 1 0.6%
18 Ecuador 1 0.6%
19 Estonia 1 0.6%