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 364 37.1%
2 China 325 33.2%
3 Netherlands 103 10.5%
4 Germany 69 7%
5 France 55 5.6%
6 Canada 16 1.6%
7 Hong Kong 12 1.2%
8 Portugal 7 0.7%
9 Taiwan 5 0.5%
10 5 0.5%
11 Singapore 3 0.3%
12 Norway 2 0.2%
13 Ukraine 2 0.2%
14 Australia 2 0.2%
15 Japan 2 0.2%
16 Korea, Republic of 2 0.2%
17 Mexico 2 0.2%
18 India 1 0.1%
19 United Kingdom 1 0.1%
20 Viet Nam 1 0.1%
21 Spain 1 0.1%