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 309 36.7%
2 China 258 30.6%
3 Netherlands 97 11.5%
4 Germany 78 9.3%
5 France 57 6.8%
6 Hong Kong 10 1.2%
7 Canada 7 0.8%
8 Portugal 6 0.7%
9 4 0.5%
10 Norway 3 0.4%
11 United Kingdom 3 0.4%
12 Ukraine 2 0.2%
13 Taiwan 2 0.2%
14 Colombia 2 0.2%
15 Finland 1 0.1%
16 Indonesia 1 0.1%
17 Malaysia 1 0.1%
18 Turkey 1 0.1%