It doesn't happen often, so I like to highlight it when it does. Here is Australian trade minister Andrew Robb:
We’ve seen over the last thirty years in Australia that tariffs are down on average 2.7 per cent across the economy. A lot of that was done unilaterally – we didn’t wait for the rest of the world and it’s one of the reasons that we’ve had uninterrupted growth for 23 years, because we are a very open economy. We’ve got to drive it further, we’ve got to be more competitive but so does the rest of the world.