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 708 49.1%
2 United States 262 18.2%
3 Netherlands 153 10.6%
4 France 82 5.7%
5 Germany 82 5.7%
6 Russia 60 4.2%
7 Canada 22 1.5%
8 Czech Republic 18 1.2%
9 United Kingdom 10 0.7%
10 Sweden 6 0.4%
11 Hong Kong 5 0.3%
12 Singapore 5 0.3%
13 India 4 0.3%
14 Australia 4 0.3%
15 Brazil 3 0.2%
16 Malaysia 3 0.2%
17 Ukraine 3 0.2%
18 Switzerland 2 0.1%
19 Taiwan 2 0.1%
20 Japan 2 0.1%
21 New Zealand 1 0.1%
22 Norway 1 0.1%
23 Portugal 1 0.1%
24 Turkey 1 0.1%
25 United Arab Emirates 1 0.1%