According on my observation
Full statistics of summer 2022 transfers
1⃣ Premier League - England
Amount of cost: 2,247,265,636 billion euros
Sales amount: 884/805/000 million euros
Average purchasing power of each club: 282.363.112 million euros
Number of entries: 264 players
2⃣ Serie A - Italy
Amount of cost: 749,225,000 million euros
Sales amount: 745/819/545 million euros
Average purchasing power of each club: 250.461.37 million euros
Number of entries: 276 players
3⃣ Lachampione - France
Amount of cost: 557/950/000 million euros
Sales amount: 598/515/909 million euros
Average purchasing power of each club: 500,897,27 million euros
Number of entries: 316 players
4⃣ La Liga - Spain
Amount of cost: 505/690/000 million euros
Sales amount: 453,250,000 million euros
Average purchasing power of each club: 500.284.25 million euros
Number of entries: 300 players
5⃣ Bundesliga - Germany
Amount of cost: 435,672,000 million euros
Sales amount: 475/861/500 million euros
Average purchasing power of each club: 204,000,000,000 euros
Number of entries: 276 players