Extra Datasets

These are extra datasets that aren't in the main dataset folder, but might be useful for teachers.

These can be accessed from the extradata folder: https://grapher.nz/?folder=extradata

ANZ Truckometer

ANZ Monthly Publishes monthly data on traffic volume data from around the country. You can read more here: https://www.anz.co.nz/about-us/economic-markets-research/truckometer/

Field	Description
Month	Month the data is for
ANZ heavy traffic index	Heavy traffic data (mostly trucks) - raw data
ANZ light traffic index	Light traffic (motorbikes, cars and vans) - raw data

This data is up to February 2025 (Released March 2025) - March 2025 Report

This data is sourced from https://sealevel.nasa.gov/ and covers through to the end of 2024.

Field	Description
Month	The month the data is for
Average of GMSL	The Global Mean Sea Level average for the month (Global Isostatic Adjustment (GIA) applied) variation (mm) with respect to 20-year TOPEX/Jason collinear mean reference. The data has been averaged across the month from the original raw data.

There is a article that may be useful for students as well:

This dataset is a random sample of cars collected from TradeMe on 21st March 2025 of cars that were listed on that day.

Field	Description
Year	Model year of car
Make	The make of the car
Model	The model of the car
Full Description	The full TradeMe description of the car
Odometer	How far the car has driven
Body Style	Style of car
Seats	Number of seats in the car
Fuel Type	Type of fuel the car uses
Engine Size	Engine size of the car (bank for electric cars)
Transmission	Is the car manual, automatic or tiptronic
Colour	Colour of the car
Fuel Efficiency	Fuel Efficiency of the car (L/100km)
Carbon Emissions	Carbon emissions of the car (grams/km)
Asking Price	Asking price of the car, if blank it was an auction, so no asking price.
On Road Costs	Are on-road costs included
Link	Link to the auction
Listing	Listing Number