This is a good metric to track but not the most important metric. More important metrics:
1. Wallets supporting BOLT 12 Pay
2. Wallets supporting Lightning Address BOLT 12 DNS Pay (with LNURL fallback)
3. Wallets supporting Lightning Address BOLT 12 DNS Receive (with LNURL fallback)
4. LSPs supporting BOLT 12 (blinded paths and onion messages)
5. Wallets supporting BOLT 12 Receive
6. Wallets supporting async payments protocol
7. LSPs supporting async payments protocol