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 481 45.8%
2 United States 243 23.1%
3 Netherlands 126 12%
4 Germany 59 5.6%
5 France 42 4%
6 Canada 22 2.1%
7 Korea, Republic of 16 1.5%
8 Hong Kong 14 1.3%
9 Russia 13 1.2%
10 United Kingdom 6 0.6%
11 Taiwan 5 0.5%
12 Macao 4 0.4%
13 India 4 0.4%
14 Japan 3 0.3%
15 Australia 2 0.2%
16 Sweden 2 0.2%
17 Ukraine 2 0.2%
18 Brazil 1 0.1%
19 Indonesia 1 0.1%
20 Lao People's Democratic Republic 1 0.1%
21 Singapore 1 0.1%
22 Norway 1 0.1%
23 Portugal 1 0.1%