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 670 44.1%
2 United States 270 17.8%
3 Netherlands 268 17.6%
4 France 97 6.4%
5 Germany 88 5.8%
6 Russia 53 3.5%
7 Canada 19 1.2%
8 Czech Republic 15 1%
9 Taiwan 8 0.5%
10 India 6 0.4%
11 Japan 6 0.4%
12 Macao 5 0.3%
13 Ukraine 3 0.2%
14 Singapore 3 0.2%
15 Portugal 2 0.1%
16 Hong Kong 2 0.1%
17 Finland 1 0.1%
18 Mauritius 1 0.1%
19 Israel 1 0.1%
20 Norway 1 0.1%
21 Viet Nam 1 0.1%