% generated by tables/make_tables.py from /Users/simon-pierreboucher/Desktop/UQO/Recherche/Recherche-UQO/informatique/wp44/results/bibliometrics/country_pairs_by_period.csv
\begin{table}[htbp]\centering\caption{The twenty strongest country pairs by period (number of joint works).}\label{tab:country_pairs}
\begin{threeparttable}\small
\begin{tabular}{lrrrr}
\toprule
\textbf{Rank} & \textbf{Pair (baseline)} & \textbf{Joint works (baseline)} & \textbf{Pair (post)} & \textbf{Joint works (post)} \\
\midrule
1 & CN--US & 55{,}438 & CN--US & 46{,}875 \\
2 & CN--GB & 22{,}078 & CN--HK & 34{,}365 \\
3 & GB--US & 19{,}217 & CN--GB & 26{,}828 \\
4 & CN--HK & 18{,}609 & CN--SG & 20{,}205 \\
5 & AU--CN & 17{,}679 & GB--US & 18{,}829 \\
6 & CA--US & 14{,}091 & AU--CN & 18{,}768 \\
7 & DE--US & 13{,}715 & CA--US & 13{,}603 \\
8 & CA--CN & 13{,}018 & DE--US & 13{,}013 \\
9 & CN--SG & 10{,}749 & IN--US & 12{,}144 \\
10 & FR--US & 9{,}074 & CA--CN & 11{,}588 \\
11 & IN--US & 9{,}025 & CN--JP & 8{,}669 \\
12 & DE--GB & 9{,}009 & DE--GB & 8{,}648 \\
13 & AU--US & 7{,}990 & KR--US & 8{,}452 \\
14 & KR--US & 7{,}680 & CN--MO & 8{,}242 \\
15 & CN--JP & 7{,}554 & HK--US & 7{,}643 \\
16 & IT--US & 7{,}385 & AU--US & 6{,}918 \\
17 & GB--IT & 6{,}141 & FR--US & 6{,}822 \\
18 & FR--GB & 6{,}010 & IN--SA & 6{,}673 \\
19 & CH--US & 5{,}961 & IT--US & 6{,}652 \\
20 & FR--IT & 5{,}675 & CN--KR & 6{,}252 \\
\bottomrule
\end{tabular}
\begin{tablenotes}\footnotesize\item Pairs are unordered; HK and MO are OpenAlex country codes for Hong Kong and Macau and are distinct from CN in the affiliation data. The post period is incomplete.\end{tablenotes}
\end{threeparttable}\end{table}