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 473 58.3%
2 United States 139 17.1%
3 Netherlands 107 13.2%
4 Germany 49 6%
5 Canada 12 1.5%
6 France 6 0.7%
7 India 4 0.5%
8 Singapore 3 0.4%
9 Ukraine 3 0.4%
10 Japan 2 0.2%
11 New Zealand 2 0.2%
12 Romania 2 0.2%
13 Hong Kong 2 0.2%
14 Denmark 2 0.2%
15 Brazil 2 0.2%
16 1 0.1%
17 Russia 1 0.1%
18 Malaysia 1 0.1%
19 Spain 1 0.1%