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 466 42.1%
2 United States 352 31.8%
3 Netherlands 141 12.7%
4 Germany 55 5%
5 France 29 2.6%
6 Canada 20 1.8%
7 Hong Kong 12 1.1%
8 Colombia 4 0.4%
9 Singapore 4 0.4%
10 Taiwan 4 0.4%
11 Russia 3 0.3%
12 Korea, Republic of 3 0.3%
13 Turkey 3 0.3%
14 Macao 2 0.2%
15 Czech Republic 2 0.2%
16 Albania 2 0.2%
17 India 2 0.2%
18 Australia 1 0.1%
19 Thailand 1 0.1%
20 Spain 1 0.1%