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 428 53%
2 United States 163 20.2%
3 Netherlands 85 10.5%
4 Germany 52 6.4%
5 Canada 19 2.4%
6 France 12 1.5%
7 United Kingdom 10 1.2%
8 Japan 8 1%
9 Norway 5 0.6%
10 India 5 0.6%
11 Singapore 4 0.5%
12 Korea, Republic of 3 0.4%
13 Hong Kong 3 0.4%
14 Macao 2 0.2%
15 Thailand 2 0.2%
16 Poland 2 0.2%
17 Russia 1 0.1%
18 Turkey 1 0.1%
19 Ukraine 1 0.1%
20 Taiwan 1 0.1%
21 Estonia 1 0.1%