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 982 80.7%
2 United States 119 9.8%
3 Canada 35 2.9%
4 Germany 32 2.6%
5 Netherlands 18 1.5%
6 Hong Kong 10 0.8%
7 Singapore 3 0.2%
8 Taiwan 3 0.2%
9 Sweden 2 0.2%
10 Czech Republic 2 0.2%
11 France 2 0.2%
12 Korea, Republic of 2 0.2%
13 Macao 2 0.2%
14 Malaysia 1 0.1%
15 Australia 1 0.1%
16 Congo, The Democratic Republic of The 1 0.1%
17 Russia 1 0.1%
18 Slovenia 1 0.1%