Globally, I don't have the figures to hand, but I'd happy to share those.
If I look locally here, I have a very low refusal rate. It would be in the single digits, and with our commitment under our service standard for a visitor visa—noting that the individuals my office sees here are often those who might have a health or character issue—given that Canadian citizens are eligible for eTA, we look to process about 80% of those within three weeks.