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 241 40.2%
2 China 205 34.2%
3 Netherlands 53 8.8%
4 Germany 35 5.8%
5 France 13 2.2%
6 Taiwan 13 2.2%
7 Hong Kong 12 2%
8 Portugal 7 1.2%
9 Canada 5 0.8%
10 United Kingdom 5 0.8%
11 Senegal 3 0.5%
12 3 0.5%
13 Australia 1 0.2%
14 Macao 1 0.2%
15 Moldova, Republic of 1 0.2%
16 Russia 1 0.2%
17 Turkey 1 0.2%