Table:
0
A
B
C
D
E
1
Fiscal 2019
2
Probe Cards
Systems
Corporate and Other
Total
3
Revenues
$491,363
$98,101
$—
$589,464
4
Gross profit
$211,382
$50,927
$(24,813)
$237,496
5
Gross margin
43.0 %
51.9 %
— %
40.3 %
6
Fiscal 2018
7
Probe Cards
Systems
Corporate and Other
Total
8
Revenues
$434,269
$95,406
$—
$529,675
9
Gross profit
$187,320
$47,074
$(24,055)
$210,339
10
Gross margin
43.1 %
49.3 %
— %
39.7 %
11
Fiscal 2017
12
Probe Cards
Systems
Corporate and Other
Total
13
Revenues
$454,794
$93,647
$—
$548,441
14
Gross profit
$195,903
$46,647
$(26,953)
$215,597
15
Gross margin
43.1 %
49.8%
— %
39.3 %

Questions and formulas:
Question: What percentage of total revenue is probe cards revenue in 2017?
Formula: B13 / E13
Formula2: B13 / E13
Level: Calculation
Question: What is the increase / (decrease) in the probe cards revenue from 2018 to 2019?
Formula: B3 - B8
Formula2: B3 - B8
Level: Calculation
Question: What is the average revenue in 2017?
Formula: (B13 + C13 + 0) / 3
Formula2: (B13 + C13 + 0) / 3
Level: Calculation