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 611 50.2%
2 United States 223 18.3%
3 Netherlands 184 15.1%
4 Germany 77 6.3%
5 France 35 2.9%
6 Canada 20 1.6%
7 Hong Kong 14 1.2%
8 Sweden 13 1.1%
9 Korea, Republic of 8 0.7%
10 Russia 7 0.6%
11 Hungary 5 0.4%
12 India 4 0.3%
13 Singapore 3 0.2%
14 Taiwan 3 0.2%
15 United Kingdom 3 0.2%
16 Japan 2 0.2%
17 Macao 1 0.1%
18 Moldova, Republic of 1 0.1%
19 Viet Nam 1 0.1%
20 Ukraine 1 0.1%