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 795 59.1%
2 United States 179 13.3%
3 Netherlands 162 12%
4 France 83 6.2%
5 Germany 45 3.3%
6 Canada 18 1.3%
7 Czech Republic 16 1.2%
8 Hong Kong 6 0.4%
9 India 6 0.4%
10 Korea, Republic of 5 0.4%
11 United Kingdom 5 0.4%
12 Finland 4 0.3%
13 Singapore 3 0.2%
14 Spain 3 0.2%
15 Sweden 3 0.2%
16 Thailand 2 0.1%
17 Romania 2 0.1%
18 Russia 2 0.1%
19 Bahrain 2 0.1%
20 Malaysia 2 0.1%
21 Moldova, Republic of 2 0.1%