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 345 44.7%
2 United States 247 32%
3 Netherlands 91 11.8%
4 Germany 31 4%
5 Canada 20 2.6%
6 Russia 5 0.6%
7 Singapore 5 0.6%
8 New Zealand 4 0.5%
9 Australia 4 0.5%
10 France 3 0.4%
11 Czech Republic 2 0.3%
12 Hong Kong 2 0.3%
13 India 2 0.3%
14 Philippines 2 0.3%
15 Macao 2 0.3%
16 Malaysia 2 0.3%
17 Taiwan 2 0.3%
18 Turkey 1 0.1%
19 Korea, Republic of 1 0.1%