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 478 35%
2 United States 316 23.1%
3 Netherlands 191 14%
4 Germany 103 7.5%
5 France 97 7.1%
6 Russia 85 6.2%
7 Canada 33 2.4%
8 Czech Republic 16 1.2%
9 Taiwan 13 1%
10 Hong Kong 4 0.3%
11 India 3 0.2%
12 Switzerland 3 0.2%
13 Timor-Leste 3 0.2%
14 Ukraine 3 0.2%
15 United Kingdom 2 0.1%
16 Malaysia 2 0.1%
17 Singapore 2 0.1%
18 Norway 2 0.1%
19 Portugal 2 0.1%
20 Estonia 2 0.1%
21 Australia 1 0.1%
22 Brazil 1 0.1%
23 Japan 1 0.1%
24 Korea, Republic of 1 0.1%
25 Spain 1 0.1%
26 United Arab Emirates 1 0.1%