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 433 32.5%
2 United States 284 21.3%
3 Netherlands 220 16.5%
4 Germany 121 9.1%
5 Russia 65 4.9%
6 France 53 4%
7 Canada 35 2.6%
8 Sweden 24 1.8%
9 Czech Republic 19 1.4%
10 Korea, Republic of 10 0.7%
11 Singapore 10 0.7%
12 Viet Nam 7 0.5%
13 Hong Kong 7 0.5%
14 India 7 0.5%
15 Australia 5 0.4%
16 United Kingdom 4 0.3%
17 South Africa 3 0.2%
18 Japan 3 0.2%
19 Malaysia 3 0.2%
20 Ghana 2 0.1%
21 Finland 2 0.1%
22 New Zealand 2 0.1%
23 Poland 2 0.1%
24 Portugal 2 0.1%
25 Ukraine 2 0.1%
26 United Arab Emirates 1 0.1%
27 Switzerland 1 0.1%
28 Thailand 1 0.1%
29 Belarus 1 0.1%
30 Brazil 1 0.1%
31 Bulgaria 1 0.1%
32 Greece 1 0.1%
33 Ireland 1 0.1%
34 Macao 1 0.1%