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 401 45.6%
2 United States 153 17.4%
3 Netherlands 105 11.9%
4 Germany 89 10.1%
5 Sweden 23 2.6%
6 Canada 18 2%
7 France 16 1.8%
8 Hong Kong 15 1.7%
9 Russia 10 1.1%
10 Singapore 6 0.7%
11 Australia 6 0.7%
12 India 5 0.6%
13 United Kingdom 4 0.5%
14 Taiwan 3 0.3%
15 Ireland 3 0.3%
16 Japan 3 0.3%
17 Korea, Republic of 2 0.2%
18 Malaysia 2 0.2%
19 Brazil 2 0.2%
20 Congo, The Democratic Republic of The 2 0.2%
21 Ghana 2 0.2%
22 South Africa 2 0.2%
23 Norway 2 0.2%
24 Thailand 1 0.1%
25 Ukraine 1 0.1%
26 Czech Republic 1 0.1%
27 Mauritius 1 0.1%
28 Moldova, Republic of 1 0.1%