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 490 51.7%
2 United States 174 18.4%
3 Netherlands 96 10.1%
4 Germany 93 9.8%
5 Sweden 22 2.3%
6 Canada 12 1.3%
7 France 10 1.1%
8 Korea, Republic of 10 1.1%
9 Singapore 7 0.7%
10 Taiwan 6 0.6%
11 Uzbekistan 5 0.5%
12 India 4 0.4%
13 Australia 3 0.3%
14 Ukraine 3 0.3%
15 South Africa 2 0.2%
16 Hong Kong 2 0.2%
17 Thailand 2 0.2%
18 Turkey 2 0.2%
19 Russia 1 0.1%
20 Ghana 1 0.1%
21 Finland 1 0.1%
22 United Arab Emirates 1 0.1%
23 United Kingdom 1 0.1%