The type of funnel ghaph or funnel is designed to represent a series of values where each individual value presents a percentage of the total.

# 1 Example

#### This example shows the total sales by country and year

You see the parameterization of the box:

1. Selector type of Funnel graph.
2. Column of the sentence with value to be displayed, in this case the country country.
3. Filter by combo of the column The_year and thus be able to filter the graph by years.
4. SQL statement to execute:
Copy
<select>
<columns>
YEAR(invoicedate) <alias name='the_year' />,
customer.country,
SUM(invoice.total) total
</columns>
<from table='invoice'>
<join table='customer'>
<on>invoice.customerid = customer.customerid</on>
</join>
</from>
<group>1,2</group>
<order>3 DESC</order>
</select>

* Starting from the table of invoices and grouping by year and country.

5. In the series the column is added 'total'.