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 375 59.3%
2 United States 97 15.3%
3 Germany 41 6.5%
4 Netherlands 25 4%
5 Sweden 17 2.7%
6 France 17 2.7%
7 Canada 16 2.5%
8 Taiwan 6 0.9%
9 Bulgaria 5 0.8%
10 Russia 5 0.8%
11 Singapore 4 0.6%
12 Hong Kong 4 0.6%
13 Ukraine 4 0.6%
14 United Kingdom 3 0.5%
15 Denmark 3 0.5%
16 Ghana 2 0.3%
17 Switzerland 2 0.3%
18 Italy 1 0.2%
19 Japan 1 0.2%
20 Korea, Republic of 1 0.2%
21 Mauritius 1 0.2%
22 Congo, The Democratic Republic of The 1 0.2%
23 Turkey 1 0.2%