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 526 48.5%
2 United States 208 19.2%
3 Netherlands 142 13.1%
4 Germany 81 7.5%
5 France 42 3.9%
6 Canada 19 1.8%
7 Sweden 18 1.7%
8 Russia 12 1.1%
9 United Kingdom 6 0.6%
10 Moldova, Republic of 4 0.4%
11 Mexico 3 0.3%
12 India 3 0.3%
13 Turkey 3 0.3%
14 Ukraine 2 0.2%
15 Norway 2 0.2%
16 Korea, Republic of 2 0.2%
17 Austria 2 0.2%
18 Brazil 2 0.2%
19 Singapore 2 0.2%
20 Sri Lanka 2 0.2%
21 Tunisia 2 0.2%
22 New Zealand 1 0.1%
23 1 0.1%